Home / 15,340.62-21,169.95-8,716.62

Finding the Fourth Proportional to 15,340.62, 21,169.95 and 8,716.62

Calculator

Solution

The fourth proportional to 15,340.62, 21,169.95 and 8,716.62 is: 12,028.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,340.62 : 21,169.95 = 8,716.62 : x
  2. Step 2: Convert to fraction form
    15,340.62/21,169.95 = 8,716.62/x
  3. Step 3: Cross multiply
    15,340.62x = 21,169.95 × 8,716.62
  4. Step 4: Simplify right side
    15,340.62x = 184,530,409.57
  5. Step 5: Solve for x
    x = 184,530,409.57/15,340.62
  6. Step 6: Final answer
    x = 12,028.88

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.